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1551 lndustrW Road <br /> Sequoia '`��, 0-4111 <br /> 650 32- <br /> IDFAX(650)232-9612 <br /> "" <br /> p�,,,� Analytical "'"' °°m <br /> Gettler-Ryan/Geostrategies(1) Project Unocal(3) Sampled 11/21/00 <br /> 6747 Sura Court,Suite J Project Number FORMER UNOCAL SS#0187 Received 11/21/00 <br /> Dublm,CA 94568 Project Mana er Deanna Hardmg EEpoited 1214100 <br /> a e %gen t tumgon 2 a immmmm <br /> S dau -e .r, g _ <br /> Date Spike Sample QC Reporting Limit Reoov RPD RPD <br /> Anal AnAymd Level Result Result Umts Recov Lmuts % LImIt % Notes* <br /> Batch- 0110124 Date Prepared: 11/27/00 ExtractionMethod: EPA 5030B rPM <br /> Blank 0110124-B_LK1 <br /> Ethanol 11/27/00 ND ug/l 1000 <br /> Tert butyl alcohol ^ ND 100 <br /> Methyl tart-butyl ether ND " 2.00 <br /> Dl-Isopropyl ether " ND " 2.00 <br /> Ethyl tert-butyl ether ^ ND 2.00 <br /> Tert-amyl meth 1 ether ND 2.00 <br /> Surrogate 1.1-Dichloroethone-d4 500 562 " 760-114 112 <br /> LCS 0110124-BS1 <br /> Methyl tert-butyl ether 11/27/00 500 542 11911 700-130 108 <br /> Surrogate 1.2-Dichlonoethane-d4 HSoo 554 760-114 111 <br /> tri,sp 0110124-MSI L011216-02 <br /> yl tert butyl ether 11/27/00 500 ND 539 u 600-140 108 <br /> Surrogate 1.2-Dich1oroethane-i4 w500 554 760-114 111 <br /> Matrix Spike Dau 0110124-MSD1 L011216-02 <br /> Methyl tart-bu 1 ether 11/27/00 500 ND 553 u 600-140 111 250 2.74 <br /> Surrogate 1,2 Dichlonoethane-d4 NSoo 560 " 760-114 112 <br /> Batch: 0110130 Date Preuared 11/28/00 Extraction Method: EPA 5030B MM <br /> Blank 0110130-BLKI <br /> Ethanol 11/28/00 ND ug/l 1000 <br /> Tert-butyl alcohol ND 100 <br /> Methyl text-butyl ether ND 2.00 <br /> Di-isopropyl ether ^ ND ^ 2.00 <br /> Ethyl tat-butyl ether ^ ND " 2.00 <br /> Tart l methyl ether ND 200 <br /> Surrogate 1,2-Dichloroethane-d4 ff300 553 " 760-114 111 <br /> Blank 0110130-BLK2 <br /> Ethanol 11/30/00 ND ug/! 1000 <br /> Tert-butyl alcohol ^ ND 100 <br /> Methyl tent-butyl ether " ND " 2.00 <br /> DI-Isopropyl ether " ND " 2.00 <br /> Ethyl tent butyl ether " ND 2.00 <br /> Tcrt-amyl methyl ether " ND " 2.00 <br /> Surrogate. 1,2 Achlotnethane-d4 500 528 760-114 106 <br /> i <br /> Sequoia Analytical-San Carlos *Refer to end of reportfor text of notes and definitions <br /> Page 17 of 19 <br />